1.單行文本溢出

div{
      width:100px;
      overflow: hidden;
      text-overflow:ellipsis;
      white-space: nowrap;
    }

2.多行文本溢出

div{
     overflow : hidden;
     text-overflow: ellipsis;
     display: -webkit-box;
     -webkit-line-clamp: 5;
     -webkit-box-orient: vertical;
    }